Posted by **lindsey** on Tuesday, May 24, 2011 at 1:53pm.

How many hours will it take a bicyclist traveling 17.6 feet per second to finish a 90-mile race? Round your answer, if necessary, to the nearest tenth.

- geometry -
**Ms. Sue**, Tuesday, May 24, 2011 at 3:12pm
90 * 5280 = 475,200 feet

475,200 / 17.6 = 27,000 seconds

60 * 60 = 3,600 seconds per 1 hour

27,000 / 3600 = 7.5 hours

- geometry -
**Marcus**, Tuesday, June 7, 2011 at 2:05pm
XY bisects and is perpendicular to line segments AB and CD . AB = 96 inches, and line segment AP = 52 inches. What is the length of XY ?

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